agenttesla | 95fe9b80f0a241ea6c42d44234fd50951873d683c96bdab50c41d3e4f3452b6c

Analysis

max time kernel
120s
max time network
122s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 02:11

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General

Target

Ningbo - Past Due Invoices.scr
Size

657KB
MD5

05971e8521240cd588015e689baab4b7
SHA1

1911d514d8e9d3310b2876ee591553250a31f44f
SHA256

d71f85d32dd19dd5a0c5ad3b97c3eba3277a5966035970a2c9ea7dd8e23fafa3
SHA512

01db290b831f6e60efaa8bfeb8bb0e1f1137c7843b29da34f024ee6e4f4b2f341ed4f8f2ed7c1a202a7a99781224bfca8bbaf7479ba23796707fc3d0d9994448
SSDEEP

12288:pOjsJrm2DORelTAeZjqjhazCtH42QWkn5IxQMj7RYLgXeevG3j8bQb:pWsJrm2DO0TvqH42ZLuMj7GEXze3UI

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.iaa-airferight.com
Port:
587
Username:
[email protected]
Password:
BIGNAIRA2024
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2520	powershell.exe
3996	powershell.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	Ningbo - Past Due Invoices.scr

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
22	api.ipify.org
23	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 212 set thread context of 384	212	Ningbo - Past Due Invoices.scr	95

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ningbo - Past Due Invoices.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3448	schtasks.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
212	Ningbo - Past Due Invoices.scr
212	Ningbo - Past Due Invoices.scr
2520	powershell.exe
3996	powershell.exe
212	Ningbo - Past Due Invoices.scr
212	Ningbo - Past Due Invoices.scr
384	RegSvcs.exe
384	RegSvcs.exe
2520	powershell.exe
3996	powershell.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	212	Ningbo - Past Due Invoices.scr
Token: SeDebugPrivilege	2520	powershell.exe
Token: SeDebugPrivilege	3996	powershell.exe
Token: SeDebugPrivilege	384	RegSvcs.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 2520	212	Ningbo - Past Due Invoices.scr	89
PID 212 wrote to memory of 2520	212	Ningbo - Past Due Invoices.scr	89
PID 212 wrote to memory of 2520	212	Ningbo - Past Due Invoices.scr	89
PID 212 wrote to memory of 3996	212	Ningbo - Past Due Invoices.scr	91
PID 212 wrote to memory of 3996	212	Ningbo - Past Due Invoices.scr	91
PID 212 wrote to memory of 3996	212	Ningbo - Past Due Invoices.scr	91
PID 212 wrote to memory of 3448	212	Ningbo - Past Due Invoices.scr	93
PID 212 wrote to memory of 3448	212	Ningbo - Past Due Invoices.scr	93
PID 212 wrote to memory of 3448	212	Ningbo - Past Due Invoices.scr	93
PID 212 wrote to memory of 384	212	Ningbo - Past Due Invoices.scr	95
PID 212 wrote to memory of 384	212	Ningbo - Past Due Invoices.scr	95
PID 212 wrote to memory of 384	212	Ningbo - Past Due Invoices.scr	95
PID 212 wrote to memory of 384	212	Ningbo - Past Due Invoices.scr	95
PID 212 wrote to memory of 384	212	Ningbo - Past Due Invoices.scr	95
PID 212 wrote to memory of 384	212	Ningbo - Past Due Invoices.scr	95
PID 212 wrote to memory of 384	212	Ningbo - Past Due Invoices.scr	95
PID 212 wrote to memory of 384	212	Ningbo - Past Due Invoices.scr	95

C:\Users\Admin\AppData\Local\Temp\Ningbo - Past Due Invoices.scr
"C:\Users\Admin\AppData\Local\Temp\Ningbo - Past Due Invoices.scr" /S
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:212
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Ningbo - Past Due Invoices.scr"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2520
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jzARpPDhrks.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3996
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jzARpPDhrks" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEC92.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3448
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
968cb9309758126772781b83adb8a28f

SHA1
8da30e71accf186b2ba11da1797cf67f8f78b47c

SHA256
92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

SHA512
4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
18KB

MD5
48ab70cd9c449f7011c943e0ec47c0d3

SHA1
22cb132bdb8e3e09e053074077cf2e1d941b9810

SHA256
26927b22be14ab36f922072e15f6ae3cb33caad2275f1945020ca4c950f87b85

SHA512
14a625ddf8f29508675c0cea4b989f53f2a2ba31300cf395c9fd09d59b4adb6c4f62c92390120cf7478a9bb47af3ba606d7379fb8d1980db3d8011cdb6fbfd29

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_g0p5fgiw.um2.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpEC92.tmp

Filesize
1KB

MD5
232f4155d74c75475bb1a9c392f0a301

SHA1
f1ff1ab6947de30c236e03f929d851b976fd8ec2

SHA256
d42303a2e3b0dd5a4c6c1f29db13041cbb461a35d70051827d889853edce8aee

SHA512
70aadaa579204f33bd72782d951fb5d3627c59ab9dd755037d34083f0a6bc8b6cdae88124f286e38d9322dfd17ade0bc9fe58ac7ebe3ed9e8e12b4ae25f0075d

Download Submit
memory/212-8-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/212-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/212-6-0x00000000078B0000-0x00000000078C2000-memory.dmp

Filesize
72KB

Download
memory/212-7-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

Filesize
4KB

Download
memory/212-4-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/212-9-0x0000000007BE0000-0x0000000007C62000-memory.dmp

Filesize
520KB

Download
memory/212-10-0x000000000A2E0000-0x000000000A37C000-memory.dmp

Filesize
624KB

Download
memory/212-5-0x0000000005910000-0x000000000591A000-memory.dmp

Filesize
40KB

Download
memory/212-1-0x0000000000D90000-0x0000000000E3A000-memory.dmp

Filesize
680KB

Download
memory/212-3-0x0000000005820000-0x00000000058B2000-memory.dmp

Filesize
584KB

Download
memory/212-2-0x0000000005DD0000-0x0000000006374000-memory.dmp

Filesize
5.6MB

Download
memory/212-47-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/384-89-0x0000000006A30000-0x0000000006A80000-memory.dmp

Filesize
320KB

Download
memory/384-44-0x0000000000400000-0x0000000000440000-memory.dmp

Filesize
256KB

Download
memory/2520-15-0x0000000004ED0000-0x0000000004F06000-memory.dmp

Filesize
216KB

Download
memory/2520-77-0x00000000079B0000-0x00000000079C1000-memory.dmp

Filesize
68KB

Download
memory/2520-17-0x0000000005540000-0x0000000005B68000-memory.dmp

Filesize
6.2MB

Download
memory/2520-16-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/2520-88-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/2520-24-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/2520-78-0x00000000079E0000-0x00000000079EE000-memory.dmp

Filesize
56KB

Download
memory/2520-21-0x00000000054B0000-0x00000000054D2000-memory.dmp

Filesize
136KB

Download
memory/2520-48-0x0000000006490000-0x00000000064AE000-memory.dmp

Filesize
120KB

Download
memory/2520-76-0x0000000007A30000-0x0000000007AC6000-memory.dmp

Filesize
600KB

Download
memory/2520-51-0x0000000075690000-0x00000000756DC000-memory.dmp

Filesize
304KB

Download
memory/2520-50-0x0000000007640000-0x0000000007672000-memory.dmp

Filesize
200KB

Download
memory/2520-74-0x00000000077B0000-0x00000000077CA000-memory.dmp

Filesize
104KB

Download
memory/2520-62-0x0000000006A50000-0x0000000006A6E000-memory.dmp

Filesize
120KB

Download
memory/2520-72-0x0000000007680000-0x0000000007723000-memory.dmp

Filesize
652KB

Download
memory/3996-73-0x0000000007430000-0x0000000007AAA000-memory.dmp

Filesize
6.5MB

Download
memory/3996-61-0x0000000075690000-0x00000000756DC000-memory.dmp

Filesize
304KB

Download
memory/3996-75-0x0000000006E60000-0x0000000006E6A000-memory.dmp

Filesize
40KB

Download
memory/3996-49-0x0000000005CA0000-0x0000000005CEC000-memory.dmp

Filesize
304KB

Download
memory/3996-20-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/3996-45-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/3996-79-0x0000000007030000-0x0000000007044000-memory.dmp

Filesize
80KB

Download
memory/3996-80-0x0000000007130000-0x000000000714A000-memory.dmp

Filesize
104KB

Download
memory/3996-81-0x0000000007110000-0x0000000007118000-memory.dmp

Filesize
32KB

Download
memory/3996-18-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/3996-87-0x0000000074DE0000-0x0000000075590000-memory.dmp

Filesize
7.7MB

Download
memory/3996-23-0x0000000005460000-0x00000000054C6000-memory.dmp

Filesize
408KB

Download
memory/3996-22-0x00000000053F0000-0x0000000005456000-memory.dmp

Filesize
408KB

Download
memory/3996-25-0x00000000054D0000-0x0000000005824000-memory.dmp

Filesize
3.3MB

Download